Speaker box



FIG. 1 is a perspective view of a speaker box showing our new design;

FIG. 2 is a perspective view thereof in a state that a grille is attached to the speaker box;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a rear view of FIG. 1;

FIG. 5 is a top view of FIG. 1;

FIG. 6 is a bottom view of FIG. 1; and,

FIG. 7 is a right side view of FIG. 1, the left side view being a mirror image of the right side. 

The ornamental design for a speaker box, as shown and described. 